/*

HS Architekten
Leon Klaßen, Berlin 2016

 __    __     ______
/\ \  /\ \   / _____\
\ \ \_\_\ \ /\ \____/_     
 \ \  ____ \\ \______ \     
  \ \ \__/\ \\/______\ \
   \ \_\ \ \_\ /\______/
    \/_/  \/_/ \/_____/


*/


/* reset —————————————————————————————————————————————————————————————————————————————————————— */

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
    display: block;
}

ol, ul {
    list-style: none;
}
/*
table {
    border-collapse: collapse;
    border-spacing: 0;
}*/




/* allgemein —————————————————————————————————————————————————————————————————————————————————————— */

body {
    margin: 0px;
    padding: 0px;
    font-size: 14px;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: black;
    cursor: default;
    -webkit-user-select: text; -moz-user-select: text; -ms-user-select: text; user-select: text;
    line-height: 1.5;
    font-weight: normal;
    background-color: rgb(255,255,255);
}

a {
    text-decoration: none;
    color:inherit;
}

::selection {
    background: rgb(0,125,255);
    color: white;
}

::-moz-selection {
    background: rgb(0,125,255);
    color: white;
}

strong, b {
    font-weight: bold;
}

em, i {
    font-style: italic;
}

/* MENU —————————————————————————————————————————————————————————————————————————————————————— */

#menu {
    width: 100%;
    height: auto;
    position: fixed;
    z-index: 10;
    color: white;
    left: 0px;
    top: 0px;
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0));
    font-size: 16px;
    transition: box-shadow 0.1s, background-color 0.1s;
    -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none;
}

.menu_full {
    color: black !important;
    background: none !important;
    background-color: rgba(255,255,255,0.9) !important;
    box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.25);
    -webkit-backdrop-filter: blur(10px);
}

.menu_full #menu_logo {
    padding-top: 10px !important;
    padding-bottom: 10px !important;
}

.menu_full .menu_hamburger_line {
    background-color: black !important;
}

.menu_full .menu_button_selected {
    box-shadow: 0px 2px 0px rgb(0,0,0) !important;
}
    
@media only screen and (min-width: 821px) {

    .menu_full .menu_button_container {
        height: 100%;
        top: 0px;
    }

}

#menu_logo {
    display: block;
    font-weight: 500;
    font-size: 24px;
    padding-top: 31px;
    padding-bottom: 31px;
    position: relative;
    width: 100%;
    text-align: center;
    transition: color 0.1s, padding 0.1s;
}

#menu_logo_small {
    display:none;
}

#menu_hamburger {
    position: absolute;
    height: 56px;
    width: 60px;
    top: 0px;
    bottom: 0px;
    margin-top: auto;
    margin-bottom: auto;
    left: 0px;
    display: none;
}

#menu_hamburger_inner {
    position: absolute;
    height: 16px;
    width: 20px;
    left: 20px;
    top: 20px;
}

.menu_hamburger_line {
    position: absolute;
    left: 0px;
    width: 100%;
    height: 2px;
    background-color: white; 
    transition: background-color 0.1s;   
}

.menu_hamburger_line_1 {
    top: 0px;
}

.menu_hamburger_line_2 {
    top: calc( 50% - 1px );
}

.menu_hamburger_line_3 {
    bottom: 0px;
}

.menu_button_container {
    position: absolute;
    width: auto;
    height: 60%;
    top: 20%;
    padding-left: 20px;
    padding-right: 20px;
    z-index: 20;
    transition: height 0.1s, top 0.1s;
}

.menu_button_container_left {
    left: 0px;
}

.menu_button_container_right {
    right: 0px;
}

.menu_button_container li {
    display: inline;
    position: static;
}

#menu_button_process li {
    display: block;
    position: relative;
}

.menu_button {
    position: relative;
    float:left;
    height: 100%;
    padding-left: 20px;
    padding-right: 20px;
    font-weight: bold;
    cursor: pointer;
    display: block;
}

.menu_button:hover {
    z-index: 100000;    
}

.menu_button:hover .menu_button_extend {
    display: block;

 /*       animation: fadeInFromNone 0.1s;
        animation-direction: alternate;
        animation-fill-mode: both;*/ /* macht noch probleme */
}

.menu_button_inner {
    position: relative;
    height: 100%;
    width: auto;
    display: table;
    transition: color 0.1s;
}

.menu_button_inner:hover {
    color:rgba(255,255,255,0.7);
}

.menu_full .menu_button_inner:hover {
    color:rgba(0,0,0,0.5) !important;
}

.menu_button_middle {
    display: table-cell;
    vertical-align: middle;
}

.menu_button_selected {
    box-shadow: 0px 2px 0px rgb(255,255,255);
    transition: box-shadow 0.1s;
}


.menu_button_extend {
    position: absolute;
    background-color: white;
    width: auto;
    padding-bottom: 14px;
    padding-top: 14px;
    left:0px;
    display: none;
    -webkit-backdrop-filter: blur(10px);
    top: 100%;
    background-color: rgba(255,255,255,0.9);
    color: black;
    box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.25);
            
         /*       overflow: hidden;*/

}

.menu_button_extend_pinned {
    display: block !important;
    opacity: 1 !important;
}

.menu_button_extend_pinned .menu_button_extend_element {
    transition: height 0.1s, color 0.1s;
}

.menu_button_extend_pinned .menu_button_extend_element_divider {
    display: none;
}

.menu_button_extend_pinned:hover .menu_button_extend_element_divider {
    display: block;
}

.menu_button_extend_pinned .menu_button_extend_element_pinnhide {
    height: 0px;
}

.menu_button_extend_pinned:hover .menu_button_extend_element_pinnhide {
    height: 24px;
}

.menu_button_extend_triangle {
    position: absolute;
    left: 42px;
    top: -8px;
    width: 0;   
    height: 0; 
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(255,255,255,0.9);
}

@keyframes fadeInFromNone {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.menu_button_extend_element {
    display: block;
    position: relative;
    width: 100%;
    transition: color 0.1s;
    cursor: pointer;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    height: 24px; /* höhe definieren, damit es animiert werden kann */
}

.menu_button_extend_element_removetag_included {
    padding-right: 58px; /* Platz für close x */
}

.menu_button_extend_element_divider {
    position: relative;
    width: 100%;
    background-color: rgba(0,0,0,0.1);
    height: 1px;
    margin-top: 14px;
    margin-bottom: 14px; 
}

.menu_button_extend_element:hover {
    color: rgba(0,0,0,0.5);
}

.menu_button_extend_element_removetag {
    position: absolute;
    right: 20px;
    top: 3px;
    height:19px;
    width:19px;
    background-color: white;
    border-radius: 50%;
    transition: background-color 0.1s, opacity 0.1s;
    opacity: 0;
    background-color: black;
}

.menu_button_extend_element:hover .menu_button_extend_element_removetag {    
    background-color: rgba(0,0,0,0.5);
}

.menu_button_extend_element_removetag_line {
    position: absolute;
    height: 11px;
    left: 9px;
    top: 4px;
    width: 1px;
    transition: background-color 0.1s;
    background-color: white;
}

.menu_button_extend_element_removetag_line_1 {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}

.menu_button_extend_element_removetag_line_2 {    
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.menu_button_extend_back {
    display: none;
    color: rgba(0,0,0,0.5);
    padding-left: 40px;
    font-weight: normal;
}

.menu_button_extend_back_line {
    position: absolute;
    height: 2px;
    width: 14px;
    background-color: rgb(127,127,127);
    left: 19px;
    top: 21px;
}

.menu_button_extend_back_line_1 {    
    -webkit-transform: rotateZ(-45deg);
    transform: rotateZ(-45deg);
}

.menu_button_extend_back_line_2 {
    -webkit-transform: rotateZ(45deg);
    transform: rotateZ(45deg);
    top: 29px;
}

.menu_button_extend_back_divider {
    display: none;
    position: relative;
    width: 100%;
    background-color: rgba(0,0,0,0.1);
    height: 1px;
    margin-top: 14px;
    margin-bottom: 14px; 
}

#menu_image {
    position: relative;
    width: 100%;
    height: 400px;
    background-color: rgb(240,240,240);
}

#menu_image_inner {
    position: absolute;
    width: 100%;
    height: 100%;
    background-position: center center;
    background-size: cover;   
    opacity: 0;
    transition: opacity 0.5s;
}

#menu_image_loader {
    display: none;
}

#menu_side_back {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 99;    
    display: none;
    transition: opacity 0.3s;
    opacity: 0;
    -webkit-tap-highlight-color: transparent;
}

/* TILES —————————————————————————————————————————————————————————————————————————————————————— */

#tiles_content {
    position: relative;
    float:left;
    width:100%;
    height: auto;
    overflow: hidden;
    box-sizing: border-box;
    background-color: rgb(250,250,250);
    height: 1000px;
}

.tile {
    box-shadow: 0px 0px 10px rgba(0,0,0,0.2);
    height: auto;
    overflow: hidden;
    background-color: white;
    position: absolute;
    transition: box-shadow 0.4s, opacity 0.4s;
    box-shadow: 0px 0px 4px rgba(0,0,0,0.25);
    left: 0px;
    top:0px;
    font-size: 14px;
    padding-bottom: 9px;
}

.tile_expandable {
    cursor: pointer;
}

.tile_expandable:hover {
    box-shadow: 0px 0px 20px rgba(0,0,0,0.4);
}

.tile_expandable:hover .tile_action {
    opacity: 1;
}

.tile_visible {
    opacity: 1;
    z-index: 5;
}

.tile_invisible {
    opacity: 0;
}

.tile_1 {
    width: calc( 25% - 35px );  
}

.tile_2, .tile_expanded {
    width: calc( 50% - 50px );  
}

/*
.tile_expanded {
    box-shadow: none !important;
}*/

.tile_expanded .tile_action {
    display: none !important;
}

/*
.tile_expanded {
    width: calc( 50% - 50px );  
}*/

/*
.tile_3 {
    width: calc( 75% - 65px );  
}*/

.tile_image {
    position: relative;
    float:left;
    display:block;
    width: calc( 100% - 8px );
    margin-left: 4px;
    margin-top: 4px;
    margin-bottom: 0px; 
}

.tile_image_inner {
    position: relative;
    float:left;
    display:block;
    width: calc( 100% - 8px );
    margin-left: 4px;
    margin-top: 10px;
    margin-bottom: 10px; 
}

.tile_video_inner {
    position: relative;
    width:100%;
    height: 0;
    padding-bottom: 56.25%;
}

.tile_video_inner_inner {
    position: absolute;
}

.tile_line {
    position: relative;
    float:left;
    width:100%;
    height: 1px;
    background-color: rgba(0,0,0,0.1);
    margin-bottom: 10px;
    margin-top: 9px;
}

.tile_action {
    position: absolute;
    left:4px;
    top:4px;
    width: calc( 100% - 8px );
    background: linear-gradient(rgba(0,0,0,0.2), rgba(0,0,0,0));
    color: white;
    font-size: 12px;
    text-align: center;
    font-weight: bold;
    padding-top: 15px;
    padding-bottom: 15px;
    opacity: 0;
    transition: opacity 0.4s;

}

.tile_title {
    position: relative;
    float:left;
    width:100%;
    box-sizing: border-box;
    padding-left: 19px;
    padding-right: 19px;
    padding-top: 14px;
    padding-bottom: 4px;
    font-weight: bold;
}

.tile_text {
    position: relative;
    float:left;
    width:100%;
    box-sizing: border-box;
    padding-left: 19px;
    padding-right: 19px;
    padding-top: 4px;
    padding-bottom: 4px;
}

.tile_text a {
    color: rgb(160,160,160);
    transition: color 0.1s;
}

.tile_text a:hover {
    color: rgb(0,0,0);
}

.tile_tags {
    position: relative;
    float:left;
    width:100%;
    box-sizing: border-box;
    padding-left: 12px;
    padding-right: 12px;
    padding-top: 4px;
    padding-bottom: 4px;
}

.tile_tag {
    color: rgb(160,160,160);
    margin-left: 7px;
    margin-right: 7px;
    position: relative;
    float:left;
    width:auto;
}

.tile_tag_active {
    transition: color 0.1s;
    cursor: pointer;
}

.tile_tag_seperator {
    position: relative;
    float:left;
    width: 1px;
    margin-top: 2px;
    height: 16px;
    background-color: rgb(190,190,190);
    margin-left: 7px;
    margin-right: 7px;
    
    height: 21px;
    margin-top: 0px;
    
}

.tile_tag_active:hover {
    color: rgba(0,0,0,1);
}

.tile_close {
    position: absolute;
    right: 20px;
    top: 20px;
    background-color: white;
    border-radius: 50%;
    width: 19px;
    height: 19px;
    transition: opacity 0.1s;
}

.tile_close:hover {
    opacity: 0.5;
}

.tile_close_line {
    position: absolute;
    height: 11px;
    left: 9px;
    top: 4px;
    width: 1px;
    transition: background-color 0.1s;
    background-color: black;
}
  
.tile_close_line_1 {
    -webkit-transform: rotateZ(45deg);
    transform: rotate(45deg);
}

.tile_close_line_2 {
    -webkit-transform: rotateZ(-45deg);
    transform: rotate(-45deg);
}

#tiles_content_nolabel {
    display: none;
    position: absolute;
    float:left;
    width: 100%;
    text-align: center;
    font-weight: bold;
    font-size: 16px;
    padding-top: 74px;
    padding-bottom: 74px;
}

/* PROJECT LEVEL 3 —————————————————————————————————————————————————————————————————————————————————————— */

.project_body {
    background-color: white !important;
}

#project_stamp {
    position: relative;
    float:left;
    width:100%;
    overflow: hidden;
    height: auto;
    padding: 20px;
    padding-left: 30px;
    padding-right: 30px;
    box-sizing: border-box;
}

#project_stamp label {
    display: inline;
}

.project_stamp_text {
    position: relative;
    float:left;
    padding: 10px;
    box-sizing: border-box;
    padding-top: 10px;
    padding-bottom: 10px;
    width: 12.5%;
    padding-top: 15px;
    padding-bottom: 15px;
}

.project_stamp_text_large {
    width: 25%;
}

#project_stamp_title {
    position: relative;
    float:left;
    width:100%;
    padding: 10px;
    box-sizing: border-box;
    font-size: 24px;
    padding-top: 11px;
    padding-bottom: 11px;
    font-weight: 300;
}

#project_stamp_summary {
    position: relative;
    float:left;
    width:75%;
    padding: 10px;
    box-sizing: border-box;
    font-size: 16px;
    padding-top: 14px;
    padding-bottom: 14px;
}

#project_stamp_summary a {
    color: rgba(0,0,0,0.5);
}

/*

#project_stamp_summary p {
    margin-top: 1em;
    margin-bottom: 1em;
}*/

#project_stamp_plan {
    position: relative;
    float:left;
    width:25%;
    display: block;
    padding: 10px;
    padding-bottom: 20px;
    box-sizing: border-box; 
}

#project_stamp_text_group {
    position: relative;
    float:left;
    padding: 0px;
    box-sizing: border-box;
    padding-top: 0px;
    padding-bottom: 0px;
    width: 100%;
}

.project_stamp_label {
    color: rgba(0,0,0,0.2);
}

#project_images {
    position: relative;
    float:left;
    width:100%;
    height: auto;
    overflow: hidden;
    box-sizing: border-box;
    height: 2000px;
    margin-top: -40px;
}

#project_images li {
    display: inline;
    position: static;
}

.project_image {
    display: block;
    position: absolute;
    transition: opacity 0.4s, -webkit-transform 0.4s, transform 0.4s;
    left: 0px;
    top:0px;
}

.project_image_size_1 {
    width: calc( 25% - 35px );  
}

.project_image_size_2 {
    width: calc( 50% - 50px );  
}

.project_image_size_3 {
    width: calc( 75% - 65px );  
}

.project_image_size_4 {
    width: calc( 100% - 80px );  
}

.project_image_size_5 {
    width: calc( 100% - 80px );  
}

.project_image_size_6 {
    width: calc( 100% - 80px );  
}

.project_image_concept {
    box-sizing: border-box;
    border: 1px solid rgb(220,220,220);
}

.project_image_video_inner {
    position: relative;
    height: 0;
    padding-bottom: 56.25%;
}

.project_image_video_inner_inner {
    position: absolute;
}

/* OFFICE AND CONTACT ——————————————————————————————————————————————————————————————————————— */

.content_text_container {
    position: relative;
    width: 100%;
    padding: 30px;
    height: auto;
    overflow: hidden;
    box-sizing: border-box;
    padding-top: 20px;
    padding-bottom: 20px;
}

.content_text {
    position: relative;
    float:left;
    width: 100%;
    padding: 10px;
    padding-top: 14px;
    padding-bottom: 14px;
    box-sizing: border-box;
}

.content_text a {
    transition: color 0.1s;
    color: rgba(0,0,0,0.5);
}

.content_text a:hover {
    color: rgba(0,0,0,1);
}

.content_text_title {
    position: relative;
    float:left;
    padding: 10px;
    box-sizing: border-box;
    font-size: 24px;
    padding-top: 11px;
    padding-bottom: 11px;
    font-weight: 300;
}

.content_text_center {
    margin-left: 25%;
}

.content_text_2 {
    width: 50%;
}

.content_text_4 {
    width: 25%;
}

.content_text_1_3 {
    width: 33.3333%;
}

#contact_adress {
 /*   font-weight: bold;*/
}

#contact_legal {
    color: rgb(160,160,160);
    float:right;
}

.contact_legal {
    font-size: 12px;
    line-height: 1.3;
}

.office_vitas_zeile {
    position: relative;
    float:left;
    width:50%;
    height: auto;
    overflow: hidden;
    padding: 10px;
    padding-top: 20px;
    padding-bottom: 20px;
    box-sizing: border-box;
}

.circle_image_back {
    position: relative;
   /* left: 40px;
    top:0px;*/
    width:calc( 50% - 15px );
    height: auto;
    overflow: hidden;
    border-radius: 100%;
}
/*
.circle_image {
    position: relative;
    border-radius: 100%;
    height: 0px;
    background-position: center center;
    background-size: cover;
    width:100%;
    padding-bottom: 100%;
}*/

.office_vita_name {
    position: absolute;
    height: 100%;
    width:calc( 50% - 15px );
    /*left: calc( 25% + 25px );*/
    right: 10px;
    top: 0px;
    box-sizing: border-box;
}

.office_vita_name_inner {
    position: absolute;
    width:100%;
    height: 100%;
    left: 0px;
    top: 0px;
    display: table;
}

.office_vita_name_inner_inner {
    display: table-cell;
    vertical-align: middle;
}

/* 500 —————————————————————————————————————————————————————————————————————————————————————— */

@media only screen and (max-height: 800px) and (min-width: 821px) {

#menu_button_projectlist {
    white-space: nowrap;
}

    .menu_button_extend_container {
        vertical-align:top;
        display: inline-block;
    }
}


@media only screen and (min-width: 1400px) {
    .tile_1 {
        width: calc( 16.6666% - 30px );  
    }
    
    .tile_2, .tile_expanded {
        width: calc( 33.3333% - 40px );  
    }

    /*
    .tile_3 {
        width: calc( 50% - 50px );  
    }*/

    #menu_image {
        height: 550px;
    }

    #project_stamp {
        padding-left: calc( 16.6666% + 20px );
        padding-right: calc( 16.6666% + 20px );
    }
    
    .project_image_size_1 {
        width: calc( 16.6666% - 30px );  
    }
    
    .project_image_size_2 {
        width: calc( 33.3333% - 40px );  
    }
    
    .project_image_size_3 {
        width: calc( 50% - 50px );  
    }
    
    .project_image_size_4 {
        width: calc( 66.6666% - 60px );  
    }
    
    .project_image_size_5 {
        width: calc( 83.3333% - 70px );  
    }
    
    .project_image_size_6 {
        width: calc( 100% - 80px );  
    }
    
    .content_text_container {
        padding-left: calc( 16.6666% + 20px );
        padding-right: calc( 16.6666% + 20px );
    }
        
        /*
    .office_vitas_zeile {
        margin-left: calc( 16.6666% - 10px );
        width: calc( 66.66666% + 20px );
    }*/
    
}

@media only screen and (max-width: 1000px) {

    #menu_logo_large {
        display:none;
    }
    
    #menu_logo_small {
        display:inline;
    }


}

@media only screen and (max-width: 820px) {

    body {
        -webkit-text-size-adjust: 100%;
    }

    #menu_hamburger {
        display: block;
    }
    
    #menu_side {
        display:block;
    }
    
    #menu_side_container {
        position: fixed;
        left: 0px;
        top: 0px;
        width: 300px;
        height: 100%;
        background-color: white;
        color: black;
        box-sizing: border-box;
        padding-top: 20px;
        padding-bottom: 20px;
        -webkit-transform: translate3d(-100%,0px,0px);
        transform: translate3d(-100%,0px,0px);
        transition: -webkit-transform 0.3s, transform 0.3s;
        z-index: 100;    
        max-width: 80%;
        overflow: hidden;
        -webkit-tap-highlight-color: transparent;
     /*   overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;*/
    }
    
    .menu_button_container {
        position: static;
        height: auto;
        padding: 0px;
    }
    
    .menu_button {
        position: relative;
        width: 100%;
        padding: 12px;
        padding-left: 20px;
        padding-right: 20px;
        box-sizing: border-box;
        display: block;
        font-size: 18px;
    }
    
    .menu_button_inner {
        position: static;
        display: block;
    }
    
    .menu_button_middle {
        position: static;
        display: block;
    }
    
    .menu_button_inner:hover {
        color:inherit;
    }
    
    a:hover {
        color: inherit;
    }
    
    .menu_button_extend {
        display: block;
        position: fixed;
       /* position: absolute;*/
        background-color: white;
        left: 0px;
        top: 0px;
        height: 100%;
        width: 100%;
        max-width: 300px;
        z-index: 101;
        padding-top: 20px;
        padding-bottom: 20px;
        overflow-x: hidden;
        overflow-y: auto;
        box-sizing: border-box;
        -webkit-transform: translate3d(-105%,0px,0px);
        transform: translate3d(-105%,0px,0px);
        transition: -webkit-transform 0.3s, transform 0.3s;
        -webkit-overflow-scrolling: touch;
    }
    
    .menu_button_extend_triangle {
        display: none;
    }
    
    .menu_button_extend_element {
        height: 55px; /* höhe definieren, damit es animiert werden kann */
        padding-top: 12px;
        padding-bottom: 12px;
        font-size: 18px;
    }
    
    .menu_button_extend_element:hover {
        color: inherit;
    }
    
    .menu_button_selected {
        box-shadow: 0px 2px 0px rgb(0,0,0);
    }
    
    .menu_button_extend_back {
        display: block;
    }
    
    .menu_button_extend_back_divider {
        display: block;
    }
    
    .menu_button_extend_pinned .menu_button_extend_element_divider {
        display: block;
    }
    
    .menu_button_extend_pinned:hover .menu_button_extend_element_divider {
        display: block;
    }
    
    .menu_button_extend_pinned .menu_button_extend_element_pinnhide {
        height: 55px;
    }

    .menu_button_extend_pinned:hover .menu_button_extend_element_pinnhide {
        height: 55px;
    }

    .menu_button_extend_element_removetag {
        top: 20px;
    }
    
    .menu_button_extend_element:hover .menu_button_extend_element_removetag {    
        background-color: rgb(0,0,0);
    }
    
    .tile_expandable:hover {
        box-shadow: 0px 0px 4px rgba(0,0,0,0.25);
    }
    
    .office_vitas_zeile {
        width: 100%;
    }

}

@media only screen and (max-width: 900px) {
    .tile_1 {
        width: calc( 50% - 50px );  
    }
    
    .tile_2, .tile_expanded {
        width: calc( 50% - 50px );  
    }
    
    /*
    .tile_3 {
        width: calc( 100% - 80px );  
    }*/
    
    .project_image_size_1 {
        width: calc( 50% - 50px );  
    }
    
    .project_image_size_2 {
        width: calc( 50% - 50px );  
    }
    
    .project_image_size_3 {
        width: calc( 100% - 80px );  
    }
    
    .project_stamp_text {
        width: 25%;
    }
    
}

@media only screen and (max-width: 600px) {
    .tile_1 {
        width: calc( 100% - 40px );  
    }
    
    .tile_2, .tile_expanded {
        width: calc( 100% - 40px );  
    }
    
    /*
    .tile_3 {
        width: calc( 100% - 40px );  
    }*/
    
    .project_image_size_1 {
        width: calc( 100% - 40px );  
    }
    
    .project_image_size_2 {
        width: calc( 100% - 40px );  
    }
    
    .project_image_size_3 {
        width: calc( 100% - 40px );  
    }
    
    #project_stamp {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    #project_stamp_summary {
        width: 100%;
    }
    
    #project_stamp_plan {
        width: 100%;
    }
    
    .project_stamp_text {
        width: 50%;
    }
    
    .content_text_container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .content_text {
        width: 100%;
    }
    
    .content_text_title {
        width: 100%;
    }
    
}